Webcast Alert: Lyondell Chemical Company Announces Third-Quarter 2004 Teleconference Schedule

Webcast Alert: Lyondell Chemical Company Announces Third-Quarter
2004 Teleconference Schedule 


HOUSTON, Sept. 28  /PRNewswire-FirstCall/ -- Lyondell Chemical Company
(NYSE:LYO) announced the following schedule and contact information for its
third-quarter earnings release and teleconference:

   Earnings Release:     October 28, 2004
                         8:30 a.m. Eastern Time
                         By PR Newswire distribution and Lyondell web site
                         at http://www.lyondell.com/earnings .


   Teleconference:       October 28, 2004
                         11:30 a.m. Eastern Time
                         Hosted by Doug Pike, Director, Investor Relations,
                         and Kevin DeNicola, Senior Vice President and Chief
                         Financial Officer.
                         Listen-only mode via telephone and Internet
                         broadcast on Lyondell's web site at
                         http://www.lyondell.com/earnings .

   Dial-In Numbers:      U.S. Toll Free: 888-391-2385, Pass Code:  Lyondell
                         International:  484-644-0641, Pass Code:  Lyondell
                         Please call 10 to 15 minutes before the scheduled
                         start of the teleconference.

   Web Replay:           Will be available at 2:30 p.m. Eastern Time on
                         October 28 at http://www.lyondell.com/earnings .

   Telephone Replay:     Will be available from 1:30 p.m. Eastern Time
                         October 28 to 5:00 p.m. Eastern Time on November 5.
                         The dial-in numbers are:
                         United States:  800-839-8797, Pass Code:  5549
                         International:  402-998-1603, Pass Code:  5549

   Related Disclosures:  Reconciliations of non-GAAP financial measures to
                         GAAP financial measures and any other applicable
                         disclosures (including the earnings release) will
                         be available at 11:30 a.m. Eastern Time on
                         October 28 at http://www.lyondell.com/earnings .



(Minimum requirements to listen to broadcast: The Windows Media Player
software, downloadable free from
http://www.microsoft.com/windows/windowsmedia/default.aspx , and at least a
28.8Kbps connection to the Internet, or the RealPlayer software, downloadable
free from http://www.real.com/products/player/index.html , and at least a
28.8Kbps connection to the Internet.) 

DATASOURCE: Lyondell Chemical Company



CONTACT:  media, Susan P. Moore, [phone], or investors, Douglas

J. Pike, [phone], both of Lyondell Chemical Company



Web site:  http://www.lyondell.com/

http://www.lyondell.com/earnings

http://www.microsoft.com/windows/windowsmedia/default.aspx

http://www.real.com/products/player/index.html 

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